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Easy WP SMTP

14known security flaws found in Easy WP SMTP
since April 2017

Safe from 2.3.1

Version 2.3.1 or later fixes all of them. A site on an older version is open to them.

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When they were found.

Minor: Cross-site scripting, April 2017Dangerous: Missing checks, March 2019Advisory: a security flaw, March 2019Major: Information leak, December 2020Advisory: a security flaw, December 2020Major: Running code, October 2022Minor: Reading files, November 2022Major: Reading files, November 2022Major: Running code, November 2022Advisory: Information leak, June 202420172019202120232025

DangerousMajorMinorAdvisory

What they could let someone do.

What could happen

  • Missing checks

    Someone could do things only an administrator should: change settings, see private data, or give themselves more rights.

    How: Part of the software forgets to check who is asking before it does what was asked.

    Read about it here
  • Reading files

    Someone could read files on the server they should never see, such as the settings file holding the database password, or delete files the site needs.

    How: The software takes a file name from a request and does not check that it stays inside its own folder.

    Read about it here
  • Running code

    Someone could run their own code on the server and take the site over: add malware, send spam, steal data, or use it to attack others.

    How: Part of the software treats something it was sent as instructions to follow, or keeps an uploaded file somewhere it can be run.

    Read about it here
Every known flaw, newest first (14)
  1. June 2024AdvisoryInformation leakFixed in 2.3.1. Needs a login on the site.
  2. November 2022MinorReading filesFixed in 1.5.2. Needs a login on the site (Admin+).
  3. November 2022MajorReading filesFixed in 1.5.2. Needs a login on the site (Admin+).
  4. November 2022MajorRunning codeFixed in 1.5.2. Needs a login on the site (Admin+).
  5. October 2022MajorRunning codeFixed in 1.5.0. Needs a login on the site.
  6. December 2020MajorInformation leakFixed in 1.4.4. No login needed.
  7. December 2020AdvisoryA security flawFixed in 1.4.3. No login needed.
  8. March 2019AdvisoryA security flawFixed in 1.3.9.1. No login needed.
  9. March 2019DangerousMissing checksFixed in 1.3.9.1. No login needed.
  10. April 2017MinorCross-site scriptingFixed in 1.2.5. No login needed.
  11. Date not knownAdvisoryReading filesFixed in 1.5.2.
  12. Date not knownAdvisoryRunning codeFixed in 1.5.2.
  13. Date not knownAdvisoryReading filesFixed in 1.5.2.
  14. Date not knownAdvisoryA security flawFixed in 1.3.9.1.

From the public lists of known flaws, checked daily. A flaw is listed once it is made public, often after a fix is out.

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